feat(web): add social share component and wire price history into listing detail

- Add SocialShare component with copy-link, Facebook, Zalo, and QR code sharing
- Integrate price history chart and social sharing into listing detail page
- Register new price history and feature-listing handlers in ListingsModule

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/web/components/listings/listing-detail-client.tsx

@@ -6,6 +6,7 @@ import * as React from 'react';
 import { AddToCompareButton } from '@/components/comparison/add-to-compare-button';
 import { ImageGallery } from '@/components/listings/image-gallery';
 import { InquiryModal } from '@/components/listings/inquiry-modal';
+import { SocialShare } from '@/components/listings/social-share';
 import { Badge } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
@@ -230,6 +231,16 @@ export function ListingDetailClient({ listing }: ListingDetailClientProps) {
             </CardContent>
           </Card>
 
+          {/* Social sharing + QR code */}
+          <Card>
+            <CardContent className="pt-6">
+              <SocialShare
+                listingId={listing.id}
+                listingTitle={property.title}
+              />
+            </CardContent>
+          </Card>
+
           {/* AI Estimate */}
           <AiEstimateButton listingId={listing.id} />